org.apache.iotdb.kafka.Producer Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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* specific language governing permissions and limitations
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*/
package org.apache.iotdb.kafka;
import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.common.serialization.StringSerializer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Properties;
/** The class is to show how to send data to kafka through multi-threads. */
public class Producer {
private final KafkaProducer kafkaProducer;
private static final Logger LOGGER = LoggerFactory.getLogger(Producer.class);
public Producer() {
Properties props = new Properties();
props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, Constant.KAFKA_SERVICE_URL);
props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
kafkaProducer = new KafkaProducer<>(props);
}
public static void main(String[] args) {
Producer producer = new Producer();
producer.produce();
producer.close();
}
private void produce() {
for (int i = 0; i < Constant.ALL_DATA.length; i++) {
String key = Integer.toString(i);
kafkaProducer.send(new ProducerRecord<>(Constant.TOPIC, key, Constant.ALL_DATA[i]));
LOGGER.info(Constant.ALL_DATA[i]);
}
}
public void close() {
kafkaProducer.close();
}
}